Technical Data Sheet

®TM Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow Form No. 113-01334-0315

Page 1 of 2 VERSENETM Diammonium EDTA Chelating Agent

VERSENETM

Diammonium EDTA Chelating Agent

Product

Availability

North America

Europe

Latin America

Pacific

India

Middle East and Africa

Applications Cleaning products

Metalworking

Polymerization

Scale removal and prevention

Active Ingredient

Name

Diammonium ethylenediaminetetraacetate

CAS Number

Chemical Formula

Chemical

Structure

Molecular Weight

Other Names

Description

20824-56-0

C10H22N4O8 or

(NH4OOCCH2)(HOOCCH2)NCH2CH2N(CH2COOH)(CH2COONH4)

H4NOOCCH2 CH2COONH4

NCH2C2H2N

HOOCCH2 CH2COOH

326.2

(NH4)2EDTA

VERSENE™ Diammonium EDTA Chelating Agent is an aqueous solution of the diammonium salt of ethylenediaminetetraacetic acid. VERSENE™ Chelating Agents are used successfully to remove calcium and other types of scale from boilers, evaporators, heat exchangers, filter cloths and glass-lined kettles, and also to prevent scale formation.

Form No. 113-01334-0315

Page 2 of 2 ®TMTrademark of The Dow Chemical Company

Typical Properties†

Calcium Chelation Value 137 mg as CaCO2 per gram of VERSENE™

Diammonium EDTA

Equivalent Chelation Capacity One gram of VERSENE™ (NH4)2EDTA has the equivalent chelation capacity of 1.37 mmoles of EDTA

Metal Chelation Capacity Ca Mg Fe Cu Mn

Parts chelant per part metal (w/w) 18.2 30.1 13.1 11.5 13.3

% Assay 45 wt% as (NH4)2EDTA 40 wt% as H4EDTA

Appearance Light, straw colored liquid

Specific Gravity at 25/25°C 1.2

Bulk Density 1200 kg/m3 or 10 lb/U.S. gal.

pH 4.6-5.3 (1 wt% solution)

Freezing Point -13°C/9°F

Viscosity, Centistokes Temperature Viscosity, Centistokes 0°C/32°F 10.3 20°C/68°F 5.4 40°C/104°F 3.3

Water Solubility Completely miscible † The data provided for these properties are typical values, intended only as guides, and should not be construed as sales

specifications.

Contact information:

North America: 1-800-447-4369

Latin America: (+55) 11-5188-9222

Europe: +800-3-694-6367

Pacific: +800 7776-7776

www.versene.com

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